That which is not measurable is not science. That which is not physics is stamp collecting.

All scientific men will be delighted to extend their warmest congratulations to Tesla and to express their appreciation of his great contributions to science.

We haven't got the money, so we've got to think.

You should never bet against anything in science at odds of more than about 10-12 to 1.

I am a great believer in the simplicity of things and as you probably know I am inclined to hang on to broad & simple ideas like grim death until evidence is too strong for my tenacity.

A good scientific theory should be explicable to a barmaid.

I must confess it was very unexpected and I am very startled at my metamorphosis into a chemist.